<template>
  <div class="app-container">
    <!-- 顶部header区域 -->
    <mt-header fixed title="我的项目头部">
  <router-link to="/" slot="left" @click="goback()" v-show="flag">
    <mt-button icon="back">返回</mt-button>
  </router-link>
  <mt-button icon="more" slot="right"></mt-button>


    </mt-header>

    <!-- 中间的vue-router区域 -->

    <!-- 顶部tabbar区域 -->
    <transition>
      <router-view></router-view>
    </transition>

    <nav class="mui-bar mui-bar-tab">
      <router-link class="mui-tab-item-wlx" to="/home">
        <span class="mui-icon mui-icon-home"></span>
        <span class="mui-tab-label">首页</span>
      </router-link>
      <router-link class="mui-tab-item-wlx" to="/member">
        <span class="mui-icon mui-icon-contact"></span>
        <span class="mui-tab-label">会员</span>
      </router-link>
      <router-link class="mui-tab-item-wlx" to="/shopcar">
        <span class="mui-icon mui-icon-extra mui-icon-extra-cart">
          <span class="mui-badge" id="badge">
            <!-- 调用vuex中的count -->
            {{ $store.getters.getAllCount }}
            </span>
        </span>
        <span class="mui-tab-label">购物车</span>
      </router-link>
      <router-link class="mui-tab-item-wlx" to="/search">
        <span class="mui-icon mui-icon-search"></span>
        <span class="mui-tab-label">搜索</span>
      </router-link>
    </nav>
  </div>
</template>

<script>
// 按需导入 Toast 组件
export default{
  data(){
    return{
      flag:false
    }
  },
  methods:{
    goback(){
      this.$router.go(-1)
    }
  },
  created(){
    this.flag=this.$route.path === "/home"  ? false :true
  },
  watch:{
    "$route.path":function(newVal){
      if(newVal === "/home" ){
        this.flag=false
      }else{
        this.flag=true
      }
    }
  }
}
</script>


<style lang="scss" scoped>
.app-container {
  padding-top: 40px;
  padding-bottom: 50px;
  overflow-x: hidden
}
.mui-bar {
  box-shadow: 0 0 1px rgba(0, 0, 0, 0.1);
}
.v-enter{
  opacity: 0;
  transform: translateX(100%)
}
.v-leave-to{
  opacity: 0;
  transform: translateX(-100%);
  position: absolute;
}
.v-enter-active,.v-leave-active{
  transition: .5s
}
.mui-bar-tab .mui-tab-item-wlx.mui-active {
    color: #007aff;
}

.mui-bar-tab .mui-tab-item-wlx {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}

.mui-bar-tab .mui-tab-item-wlx .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}

.mui-bar-tab .mui-tab-item-wlx .mui-icon ~ .mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}

</style>